Bump org.immutables:bom from 2.11.2 to 2.11.3

Bumps [org.immutables:bom](https://github.com/immutables/immutables) from 2.11.2 to 2.11.3.
- [Release notes](https://github.com/immutables/immutables/releases)
- [Changelog](https://github.com/immutables/immutables/blob/master/jreleaser.yml)
- [Commits](immutables/immutables@2.11.2...2.11.3)

---
updated-dependencies:
- dependency-name: org.immutables:bom
  dependency-version: 2.11.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -89,7 +89,7 @@
   <properties>
     <!-- Dependencies -->
     <assertj.version>3.27.4</assertj.version>
-    <immutables.version>2.11.2</immutables.version>
+    <immutables.version>2.11.3</immutables.version>
     <javax-annotation.version>1.3.2</javax-annotation.version>
     <jspecify.version>1.0.0</jspecify.version>
     <json.version>20250517</json.version>